Remove Example Syntax VB.NET ASP.NET | Remove | Source Code

Posted by on Saturday, March 5, 2011 · Leave a Comment 

Remove Example Syntax VB.NET ASP.NET | Remove | Source Code

Summary: – Illustrates using with in VB.NET ASP.NET.

 *** 1. Download Source Code *** 
VB.NET Syntax StringManipulation Remove download Download Source Code for All VB ASP.NET Examples in One Project – source code for hundreds of VB.NET ASP.NET examples neatly organized in a single project. Check back often to download the latest version of the project with even more code samples.

 *** 2. Remove Syntax *** 


Purpose:
Returns a string with the specified number of characters
removed starting at startIndex. If no Count is specified, the
remainder of string is removed


Syntax:
Remove(startIndex[, count])

Parameters Description
startIndex Required – Integer (Zero-based) that indicates
starting point for what to remove
count Optional – Integer that specifies how many
characters should be removed. If count is not specified,
all of the characters to right of and including startIndex are removed.

Result Data Type Description
string Returns a string with the specified number of characters
removed starting at startIndex. If no Count is specified, the
remainder of string is removed.


 *** 3. Remove – Quick Example *** 
Dim strRemoveExample As String = “This is a test string”
TextBox1.Text = strRemoveExample.Remove(0,4)
‘Returns ” is a test string”

 *** 4. Remove – Full Example *** 

Remove Example Output Screenshot


VB.NET Syntax StringManipulation Remove screenshot


Step 1: Click on Visual Basic to Cut-n-paste code into Remove.aspx.vb

Imports System
Imports System.IO
Imports System.Data
 
' This example is from http://idealprogrammer.com
' It shows how you can use Remove syntax in VB.NET ASP.NET
'****************************************************************************************
' Purpose:  Returns a string with the specified number of characters 
' removed starting at startIndex. If no Count is specified, the 
' remainder of string is removed
'
' Syntax: 	Remove(startIndex[, count])
'
' Parameter1: startIndex - Required - Integer (Zero-based) that indicates
' starting point for what to remove
'
' Parameter2: count - Optional - Integer that specifies how many 
' characters should be removed. If count is not specified,
' all of the characters to right of and including startIndex are removed.
'
' Result: string -  Returns a string with the specified number of characters 
' removed starting at startIndex. If no Count is specified, the 
' remainder of string is removed.
'
' Quick Example:      Dim strRemoveExample As String = "This is a test string"
' TextBox1.Text = strRemoveExample.Remove(0,4)
' 'Returns "  is a test string"
'
'****************************************************************************************
 
Partial Class _Remove
    Inherits System.Web.UI.Page
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
 
        Label1.Text = "Example #1: Remove(startIndex, count) "
 
        Dim strRemoveExample As String = "This is a test string"
        Dim intIndexRemove As Integer = 0
 
        ' First find position of word test
        intIndexRemove = strRemoveExample.IndexOf("test")
 
        ' Remove rest of string starting with word "test"
        TextBox1.Text = strRemoveExample.Remove(intIndexRemove) 'Returns This is a
 
 
 
    End Sub
End Class

Step 2: Click on XML to Cut-n-paste code into Remove.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Remove.aspx.vb" Inherits="_Remove" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>

Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

VB.NET ASP.NET Syntax StringManipulation Remove
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select Visual Basic for Language
    • name of Web Site could be VBNET_ASPNET_Syntax.
  3. Add New folder named “StringManipulation”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: StringManipulation
  4. Add Web Form Named Remove to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be Remove
  5. Click on Visual Basic in step 1 at the top of this page to copy code into code-behind Remove.aspx.vb
  6. Click on XML in step 2 above to copy code into web form Remove.aspx
  7. Right-click on Remove.aspx in solution explorer and select view in browser

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